Home / 1,489,199.07-2,232,243.41-729,989.31

Finding the Fourth Proportional to 1,489,199.07, 2,232,243.41 and 729,989.31

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Solution

The fourth proportional to 1,489,199.07, 2,232,243.41 and 729,989.31 is: 1,094,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,199.07 : 2,232,243.41 = 729,989.31 : x
  2. Step 2: Convert to fraction form
    1,489,199.07/2,232,243.41 = 729,989.31/x
  3. Step 3: Cross multiply
    1,489,199.07x = 2,232,243.41 × 729,989.31
  4. Step 4: Simplify right side
    1,489,199.07x = 1,629,513,826,617.95
  5. Step 5: Solve for x
    x = 1,629,513,826,617.95/1,489,199.07
  6. Step 6: Final answer
    x = 1,094,221.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.